665073670653

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{639143}}^1$

素因数の和:639438

約数の個数: 48

約数和(自身を含む): 1116712396800

約数和(自身を除く): 451638726147

約数列:

[1, 3, 7, 9, 21, 63, 83, 199, 249, 581, 597, 747, 1393, 1743, 1791, 4179, 5229, 12537, 16517, 49551, 115619, 148653, 346857, 639143, 1040571, 1917429, 4474001, 5752287, 13422003, 40266009, 53048869, 127189457, 159146607, 371342083, 381568371, 477439821, 890326199, 1114026249, 1144705113, 2670978597, 3342078747, 8012935791, 10556724931, 31670174793, 73897074517, 95010524379, 221691223551, 665073670653]

約数ペア:

[(1, 665073670653), (3, 221691223551), (7, 95010524379), (9, 73897074517), (21, 31670174793), (63, 10556724931), (83, 8012935791), (199, 3342078747), (249, 2670978597), (581, 1144705113), (597, 1114026249), (747, 890326199), (1393, 477439821), (1743, 381568371), (1791, 371342083), (4179, 159146607), (5229, 127189457), (12537, 53048869), (16517, 40266009), (49551, 13422003), (115619, 5752287), (148653, 4474001), (346857, 1917429), (639143, 1040571)]